Home / 103,352,268.25-155,058,669.34-30,570,987.09

Finding the Fourth Proportional to 103,352,268.25, 155,058,669.34 and 30,570,987.09

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Solution

The fourth proportional to 103,352,268.25, 155,058,669.34 and 30,570,987.09 is: 45,865,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,352,268.25 : 155,058,669.34 = 30,570,987.09 : x
  2. Step 2: Convert to fraction form
    103,352,268.25/155,058,669.34 = 30,570,987.09/x
  3. Step 3: Cross multiply
    103,352,268.25x = 155,058,669.34 × 30,570,987.09
  4. Step 4: Simplify right side
    103,352,268.25x = 4,740,296,578,585,719
  5. Step 5: Solve for x
    x = 4,740,296,578,585,719/103,352,268.25
  6. Step 6: Final answer
    x = 45,865,433.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.